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# Date Author Comment
781e9545 05/03/2013 02:58 pm Eiichi Tsukata

trace: Add ftrace tracing backend

This patch adds a ftrace tracing backend which sends trace event to
ftrace marker file. You can effectively compare qemu trace data and
kernel(especially, kvm.ko when using KVM) trace data.
The ftrace backend is restricted to Linux only....
45be2f5d 03/28/2013 03:19 pm Lluís Vilanova

trace: Provide a generic tracing event descriptor

Uses tracetool to generate a backend-independent tracing event description
(struct TraceEvent).

The values for such structure are generated with the non-public "events"
backend ("events-c" frontend).

The generation of the defines to check if an event is statically enabled is also...
a7373b1f 03/28/2013 03:19 pm Stefan Hajnoczi

trace: rebuild generated-events.o when configuration changes

Make sure to rebuild generated-events.o when ./configure options change.
This prevents linker errors when a stale generated-events.o gets linked
with code compiled against fresh headers. For example, try building...
6f329a55 01/30/2013 01:31 am Michael S. Tsirkin

Makefile: clean timestamp generation rule

create timestamp by rule without sideeffects.

Signed-off-by: Michael S. Tsirkin <>
0e848f48 01/12/2013 07:42 pm Paolo Bonzini

build: some simplifications for "trace/Makefile.objs"

Signed-off-by: Lluís Vilanova <>
Signed-off-by: Paolo Bonzini <>
ff667e2e 01/12/2013 07:42 pm Paolo Bonzini

build: fold trace-obj-y into libqemuutil.a

Signed-off-by: Paolo Bonzini <>
2c13ec50 01/12/2013 06:19 pm Paolo Bonzini

build: move dtrace rules to rules.mak

Signed-off-by: Paolo Bonzini <>
eac236ea 12/23/2012 10:28 pm Lluís Vilanova

build: Use separate makefile for "trace/"

Reviewed-by: Paolo Bonzini <>
Signed-off-by: Lluís Vilanova <>
--
Changes in v2:

  • Do not depend on "qemu-timer-common.o".
  • Use "$(obj)" in rules to refer to the build sub-directory....